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icang [17]
3 years ago
9

Need fast help

Mathematics
1 answer:
kumpel [21]3 years ago
6 0
I don't know what a radicals is and I can't really show my work cuz I just do it all in my head but I'll solve it for you.

A) (2)(x^2-5x-4) this one can't be simplified anymore unless you use the quadratic formula which I'm too lazy to do

B) (2x-1)(2x-5)
X=1/2 or 5/2
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If BD bisects angle ABC, measure of DBC = 79 degrees, and measure of angle ABC= 9x-4, find the value of x.
saul85 [17]

Try this option:

answer is 18.

For more information see the attached picture.

6 0
3 years ago
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A 15-m2 wooded area has the following: 30 ferns, 150 grass plants, and 6 oak trees. What is the population density per m2 of eac
swat32

Answer:

See the procedure

Step-by-step explanation:

we know that

To find the population density per m² of each of the above species, divide the amount of each species by the total area

so

<em>Ferns</em>

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8 0
3 years ago
Please help Me I Make You an Brainalist ​
Gnom [1K]

Answer:

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4.)  36

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Step-by-step explanation:

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7 0
2 years ago
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when asked to factor the x^2 - 100, a student gives the answer (x -10) (x-10). what is wrong with this answer?
aalyn [17]

x^2-100\\\\=x^2-10^2\\\\=(x+10)(x-10)\\\\\text{The difference of two  squares formula is}~ a^2 -b^2 =(a+b)(a-b),\\\\\text{So, the student did not apply it properly}

3 0
2 years ago
Did I do this right? If pls tell me how to fix it. <br><br> Pls, look at the attachment.
anastassius [24]
It looks all good to me! :) gj
7 0
2 years ago
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